Viziflux: The use of digital video processing to assess free-flap vascularization
Study ID: STU 052016-108
Poor perfusion through the flap has been identified as a major cause of flap failure. it would be of great value to develop a system that would provide an early warning that a flap is poorly perfused, and thus likely to fail. Such a system would allow for timely revision that could spare the flap. For this study, we plan to use the Viziflux monitoring system developed by the Plastic Surgery Department to supplement the flap monitoring process conducted by hospital staff. We plan to use the Viziflux on 100 consented subjects. There is no randomization, as this is not a treatment study. instead, subjects that consent will have their flaps monitored by surgical staff according to commonly accepted protocols and the Viziflux system; which will record video of their free flaps. The video will be processed by a computer algorithm that will record perfusion through the flap. We would like to record perfusion data for 100 patients in the hopes that we will record both successful flaps as well as flap failures so that we can understand the difference between the two.
To determine if it is possible for the monitoring of free tissue transfer (free flaps) to be conducted using an automated process, we have developed a system consisting of a video camera and computer algorithm to monitor the status of free flaps. This study will use the Viziflux camera and computer system to record video of the flaps of 100 patients. it is our goal to capture data from both successful and failing flaps to interpret flap perfusion data during a variety of stages of flap incorporation.